Home / 191,839.61-264,754.46-105,815.45

Finding the Fourth Proportional to 191,839.61, 264,754.46 and 105,815.45

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Solution

The fourth proportional to 191,839.61, 264,754.46 and 105,815.45 is: 146,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,839.61 : 264,754.46 = 105,815.45 : x
  2. Step 2: Convert to fraction form
    191,839.61/264,754.46 = 105,815.45/x
  3. Step 3: Cross multiply
    191,839.61x = 264,754.46 × 105,815.45
  4. Step 4: Simplify right side
    191,839.61x = 28,015,112,324.41
  5. Step 5: Solve for x
    x = 28,015,112,324.41/191,839.61
  6. Step 6: Final answer
    x = 146,034.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.